thingsboard-memoizeit

diff --git a/ui/src/app/api/subscription.js b/ui/src/app/api/subscription.js
index 030b852..215da0f 100644
--- a/ui/src/app/api/subscription.js
+++ b/ui/src/app/api/subscription.js
@@ -296,6 +296,21 @@ export default class Subscription {
         }
     }
 
+    resetData() {
+        for (var i=0;i<this.data.length;i++) {
+            this.data[i].data = [];
+            this.hiddenData[i].data = [];
+            if (this.displayLegend) {
+                this.legendData.data[i].min = null;
+                this.legendData.data[i].max = null;
+                this.legendData.data[i].avg = null;
+                this.legendData.data[i].total = null;
+                this.legendData.data[i].hidden = false;
+            }
+        }
+        this.onDataUpdated();
+    }
+
     startWatchingTimewindow() {
         var subscription = this;
         this.timeWindowWatchRegistration = this.ctx.$scope.$watch(function () {
@@ -720,6 +735,7 @@ export default class Subscription {
                     this.ctx.datasourceService.unsubscribeFromDatasource(listener);
                 }
                 this.datasourceListeners = [];
+                this.resetData();
             }
         }
     }

diff --git a/ui/src/app/components/dashboard.directive.js b/ui/src/app/components/dashboard.directive.js
index 1c2c654..cdd15b0 100644
--- a/ui/src/app/components/dashboard.directive.js
+++ b/ui/src/app/components/dashboard.directive.js
@@ -16,6 +16,7 @@
 import './dashboard.scss';
 
 import $ from 'jquery';
+import 'javascript-detect-element-resize/detect-element-resize';
 import angularGridster from 'angular-gridster';
 import thingsboardTypes from '../common/types.constant';
 import thingsboardApiWidget from '../api/widget.service';
@@ -225,6 +226,18 @@ function DashboardController($scope, $rootScope, $element, $timeout, $mdMedia, $
         }
     };
 
+    addResizeListener(gridsterParent[0], onGirdsterParentResize); // eslint-disable-line no-undef
+
+    $scope.$on("$destroy", function () {
+        removeResizeListener(gridsterParent[0], onGirdsterParentResize); // eslint-disable-line no-undef
+    });
+
+    function onGirdsterParentResize() {
+        if (gridsterParent.height() && vm.autofillHeight) {
+            updateMobileOpts();
+        }
+    }
+
     $scope.$watchCollection('vm.widgets', function () {
         var ids = [];
         for (var i=0;i<vm.widgets.length;i++) {
@@ -262,6 +275,9 @@ function DashboardController($scope, $rootScope, $element, $timeout, $mdMedia, $
                 delete vm.widgetLayoutInfo[widgetId];
             }
         }
+        if (vm.autofillHeight) {
+            updateMobileOpts();
+        }
     });
 
     //TODO: widgets visibility
@@ -316,31 +332,7 @@ function DashboardController($scope, $rootScope, $element, $timeout, $mdMedia, $
     });
 
     $scope.$watch('vm.autofillHeight', function () {
-        if (vm.autofillHeight) {
-            //if (gridsterParent.height()) {
-            //    updateMobileOpts();
-            //} else {
-            if ($scope.parentHeighWatcher) {
-                $scope.parentHeighWatcher();
-            }
-            if (gridsterParent.height()) {
-                updateMobileOpts();
-            }
-            $scope.parentHeighWatcher = $scope.$watch(function() { return gridsterParent.height(); },
-                function(newHeight) {
-                    if (newHeight) {
-                        updateMobileOpts();
-                    }
-               }
-            );
-        } else {
-            if ($scope.parentHeighWatcher) {
-                $scope.parentHeighWatcher();
-                $scope.parentHeighWatcher = null;
-            }
-
-            updateMobileOpts();
-        }
+        updateMobileOpts();
     });
 
     $scope.$watch('vm.isMobileDisabled', function () {

diff --git a/ui/src/app/components/widget.controller.js b/ui/src/app/components/widget.controller.js
index 8d91b2d..baedd09 100644
--- a/ui/src/app/components/widget.controller.js
+++ b/ui/src/app/components/widget.controller.js
@@ -562,6 +562,9 @@ export default function WidgetController($scope, $timeout, $window, $element, $q
     }
 
     function onInit(skipSizeCheck) {
+        if (!widgetContext.$containerParent) {
+            return;
+        }
         if (!skipSizeCheck) {
             checkSize();
         }

diff --git a/ui/src/app/dashboard/dashboard.controller.js b/ui/src/app/dashboard/dashboard.controller.js
index 6b9b0b3..735c881 100644
--- a/ui/src/app/dashboard/dashboard.controller.js
+++ b/ui/src/app/dashboard/dashboard.controller.js
@@ -72,6 +72,12 @@ export default function DashboardController(types, utils, dashboardUtils, widget
         set: function() { }
     });
 
+    Object.defineProperty(vm, 'rightLayoutOpened', {
+        get: function() {
+            return !vm.isMobile || vm.isRightLayoutOpened; },
+        set: function() { }
+    });
+
     vm.layouts = {
         main: {
             show: false,

diff --git a/ui/src/app/dashboard/dashboard.tpl.html b/ui/src/app/dashboard/dashboard.tpl.html
index 96ce711..1a3b9bf 100644
--- a/ui/src/app/dashboard/dashboard.tpl.html
+++ b/ui/src/app/dashboard/dashboard.tpl.html
@@ -150,7 +150,7 @@
                                    zIndex: 1}"
                         md-component-id="right-dashboard-layout"
                         aria-label="Right dashboard layout"
-                        md-is-open="!vm.isMobile || vm.isRightLayoutOpened"
+                        md-is-open="vm.rightLayoutOpened"
                         md-is-locked-open="!vm.isMobile">
                 <tb-dashboard-layout style="height: 100%;"
                                      layout-ctx="vm.layouts.right.layoutCtx"

diff --git a/ui/src/app/dashboard/states/default-state-controller.js b/ui/src/app/dashboard/states/default-state-controller.js
index 4844b4c..716d333 100644
--- a/ui/src/app/dashboard/states/default-state-controller.js
+++ b/ui/src/app/dashboard/states/default-state-controller.js
@@ -42,8 +42,10 @@ export default function DefaultStateController($scope, $location, $state, $state
                 params: params
             }
             //append new state
+            stopWatchStateObject();
             vm.stateObject[0] = newState;
             gotoState(vm.stateObject[0].id, true, openRightLayout);
+            watchStateObject();
         }
     }
 
@@ -57,24 +59,36 @@ export default function DefaultStateController($scope, $location, $state, $state
                 params: params
             }
             //replace with new state
+            stopWatchStateObject();
             vm.stateObject[0] = newState;
             gotoState(vm.stateObject[0].id, true, openRightLayout);
+            watchStateObject();
         }
     }
 
     function navigatePrevState(index) {
         if (index < vm.stateObject.length-1) {
+            stopWatchStateObject();
             vm.stateObject.splice(index+1, vm.stateObject.length-index-1);
             gotoState(vm.stateObject[vm.stateObject.length-1].id, true);
+            watchStateObject();
         }
     }
 
     function getStateId() {
-        return vm.stateObject[vm.stateObject.length-1].id;
+        if (vm.stateObject && vm.stateObject.length) {
+            return vm.stateObject[vm.stateObject.length-1].id;
+        } else {
+            return '';
+        }
     }
 
     function getStateParams() {
-        return vm.stateObject[vm.stateObject.length-1].params;
+        if (vm.stateObject && vm.stateObject.length) {
+            return vm.stateObject[vm.stateObject.length - 1].params;
+        } else {
+            return {};
+        }
     }
 
     function getStateParamsByStateId(stateId) {
@@ -102,7 +116,7 @@ export default function DefaultStateController($scope, $location, $state, $state
         if (translation != translationId) {
             result = translation + '';
         } else {
-            result = state.name;
+            result = id;
         }
         return result;
     }
@@ -194,7 +208,4 @@ export default function DefaultStateController($scope, $location, $state, $state
             $location.search({state : angular.toJson(vm.stateObject)});
         }
     }
-
-
-
 }

diff --git a/ui/src/app/dashboard/states/entity-state-controller.js b/ui/src/app/dashboard/states/entity-state-controller.js
index 6e7685e..dd295cc 100644
--- a/ui/src/app/dashboard/states/entity-state-controller.js
+++ b/ui/src/app/dashboard/states/entity-state-controller.js
@@ -44,9 +44,11 @@ export default function EntityStateController($scope, $location, $state, $stateP
                         params: params
                     }
                     //append new state
+                    stopWatchStateObject();
                     vm.stateObject.push(newState);
                     vm.selectedStateIndex = vm.stateObject.length-1;
                     gotoState(vm.stateObject[vm.stateObject.length-1].id, true, openRightLayout);
+                    watchStateObject();
                 }
             );
         }
@@ -62,8 +64,10 @@ export default function EntityStateController($scope, $location, $state, $stateP
                         params: params
                     }
                     //replace with new state
+                    stopWatchStateObject();
                     vm.stateObject[vm.stateObject.length - 1] = newState;
                     gotoState(vm.stateObject[vm.stateObject.length - 1].id, true, openRightLayout);
+                    watchStateObject();
                 }
             );
         }
@@ -71,18 +75,28 @@ export default function EntityStateController($scope, $location, $state, $stateP
 
     function navigatePrevState(index) {
         if (index < vm.stateObject.length-1) {
+            stopWatchStateObject();
             vm.stateObject.splice(index+1, vm.stateObject.length-index-1);
             vm.selectedStateIndex = vm.stateObject.length-1;
             gotoState(vm.stateObject[vm.stateObject.length-1].id, true);
+            watchStateObject();
         }
     }
 
     function getStateId() {
-        return vm.stateObject[vm.stateObject.length-1].id;
+        if (vm.stateObject && vm.stateObject.length) {
+            return vm.stateObject[vm.stateObject.length-1].id;
+        } else {
+            return '';
+        }
     }
 
     function getStateParams() {
-        return vm.stateObject[vm.stateObject.length-1].params;
+        if (vm.stateObject && vm.stateObject.length) {
+            return vm.stateObject[vm.stateObject.length - 1].params;
+        } else {
+            return {};
+        }
     }
 
     function getStateParamsByStateId(stateId) {

diff --git a/ui/src/app/dashboard/states/manage-dashboard-states.controller.js b/ui/src/app/dashboard/states/manage-dashboard-states.controller.js
index 452e94f..3595f65 100644
--- a/ui/src/app/dashboard/states/manage-dashboard-states.controller.js
+++ b/ui/src/app/dashboard/states/manage-dashboard-states.controller.js
@@ -122,7 +122,7 @@ export default function ManageDashboardStatesController($scope, $mdDialog, $filt
     }
 
     function getStateIndex(id) {
-        var result = $filter('filter')(vm.allStates, {id: id});
+        var result = $filter('filter')(vm.allStates, {id: id}, true);
         if (result && result.length) {
             return vm.allStates.indexOf(result[0]);
         }